US9816494B2 - Fluid end with modular intake manifold - Google Patents
Fluid end with modular intake manifold Download PDFInfo
- Publication number
- US9816494B2 US9816494B2 US15/140,772 US201615140772A US9816494B2 US 9816494 B2 US9816494 B2 US 9816494B2 US 201615140772 A US201615140772 A US 201615140772A US 9816494 B2 US9816494 B2 US 9816494B2
- Authority
- US
- United States
- Prior art keywords
- intake manifold
- reducer
- damping material
- fluid
- fluid end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
- 239000012530 fluid Substances 0.000 title abstract description 87
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000013016 damping Methods 0.000 claims abstract description 22
- 239000006260 foam Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/03—Branch units, e.g. made in one piece, welded, riveted comprising junction pieces for four or more pipe members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
Definitions
- Embodiments disclosed herein relate to a modular intake manifold of a modular fluid end for multiplex plunger pumps, which are used to pump fluids into a wellbore at high volumes and high pressures.
- Multiplex plunger pumps are commonly used in the oil and gas industry and are well known in the art. These pumps include a fluid end through which fluid flows, and a power end that reciprocates a plunger within the fluid end to both draw fluid into the fluid end and discharge the fluid out of the fluid end. These pumps can pump fluids into a wellbore at rates of up to 100 barrels per minute and at pressures up to 1,000 pounds per square inch (psi).
- the pressure within the fluid end changes rapidly during operation.
- the pressure within the fluid end can change from a negative pressure when drawing fluid into the fluid end to about 1,000 psi or more when discharging the fluid out of the fluid end.
- the pressure fluctuation within the fluid end may occur at frequent intervals, such as about every fifth of a second for a pump operating at 300 strokes per minute. Such rapid changes in pressure within the fluid end prevent the fluid from reaching a peak flow velocity when being drawn into the fluid end, which lowers the operating efficiency of the fluid end.
- the fluid ends are either monoblock or modular constructions.
- a modular fluid end includes two or more modules that may be clamped or otherwise joined together such that a damaged module can be replaced without having to remove or replace the entire fluid end. Fluid enters each module from an intake manifold and is discharged from each module into a discharge manifold. Conventional intake manifolds, however, are typically welded to each fluid end module, which makes disassembly and replacement of any one module more time consuming and costly.
- an intake manifold for a modular multiplex pump having a plurality of modules includes a reducer having a larger diameter end coupled to an intake end of one module, a tee body coupled to a smaller diameter end the reducer, and a damping material disposed within a housing of the reducer.
- an intake manifold for a modular multiplex pump having a plurality of modules includes a reducer coupled to an inlet bore of each module, a tee body coupled to a reduced diameter end of each reducer, and a damping material disposed within a volume of each reducer and defining a volume therein that is concentric with the inlet bore.
- an intake manifold for a modular multiplex pump having a plurality of modules includes a reducer coupled to an inlet bore of each module, a tee body coupled to a reduced diameter end of each reducer, and a damping material disposed within a volume of each reducer and defining a volume therein that is concentric with the inlet bore, wherein the volume includes a diameter that is substantially the same as a diameter of the reduced diameter end of the reducer.
- FIG. 1A is a rear perspective view of one embodiment of a fluid end.
- FIG. 1B is a front perspective view of the fluid end of FIG. 1A .
- FIG. 2 is a cross-sectional view of the fluid end along lines 2 - 2 of FIG. 1A .
- FIG. 3 is a cross-sectional view of the fluid end along lines 3 - 3 of FIG. 1A .
- FIG. 4 is a cross-sectional view of a fluid end module showing the internal components thereof.
- Embodiments of the disclosure provide a modular intake manifold of a modular fluid end for use in a pressurized fluid delivery system.
- the modular intake manifold according to the embodiments disclosed herein, may be retrofitted with at most minor modifications to many existing fluid ends for multiplex plunger pumps.
- FIG. 1A is a rear perspective view of a fluid end 100
- FIG. 1B is a front perspective view of the fluid end 100 in accordance with one embodiment.
- the fluid end 100 is for a quint plunger pump having a power end (not shown) that drives five pump plungers (one pump plunger for each fluid end module 105 A- 105 E) in a manner well known in the art.
- the fluid end modules 105 A- 105 E are substantially identical and interchangeable.
- the fluid end 100 includes five fluid end modules 105 A- 105 E, arranged in a side-by-side relationship. Alternatively, the fluid end 100 may include less than five fluid end modules or more than five fluid end modules.
- the fluid end modules 105 A- 105 E may be clamped or otherwise joined together.
- Each fluid end module 105 A- 105 E may be forged from a single piece of high tensile strength steel. In one embodiment the steel is AISI 4340 steel that is heat treated to a yield strength (ys) of at least 110 ksi.
- Each fluid end module 105 A- 105 E has a cylinder 110 and rear mounting plates 115 A- 115 E that are utilized to mount the respective fluid end modules 105 A- 105 E to a multiplex plunger pump power end (not shown).
- Each fluid end module 105 A- 105 E further includes an intake end 120 to which an intake manifold 125 is connected.
- Each fluid end module 105 A- 105 E also includes a discharge end 130 having a threaded discharge bore 135 to which a discharge manifold (not shown) is connected.
- An integral coupling plate 180 disposed between adjacent fluid end modules 105 A- 105 E, may be used to couple the adjacent fluid end modules 105 A- 105 E together.
- the fluid end modules 105 A- 105 E may be clamped together by an external compression clamp (not shown) that is independent of the fluid end modules 105 A- 105 E.
- Each fluid end module 105 A- 105 E has a plunger bore 140 formed through the cylinder 110 that receives a respective plunger, such as plunger 403 shown in FIG. 4 .
- the intake manifold 125 is coupled to the intake end 120 of each fluid end module 105 A- 105 E.
- the intake manifold 125 includes a plurality of tee bodies 160 (e.g. “T” shaped members) coupled to each cylinder 110 of each of the fluid end modules 105 A- 105 E.
- Connectors 165 may be utilized to couple each of the tee bodies 160 together.
- a reducer 145 may be coupled between each of the tee bodies 160 and each cylinder 110 of each of the fluid end modules 105 A- 105 E.
- a larger diameter end of the reducer 145 is coupled to the intake end of one of the modules 105 A- 105 E.
- a smaller diameter end of the reducer is coupled to one of the tee bodies 160 .
- Connectors 150 and 155 may be utilized to couple the larger diameter end of the reducer 145 to the cylinder 110 , and the smaller diameter end of the reducer 145 to the tee body 160 , respectively.
- the plurality of tee bodies 160 form a common inlet chamber 167 of the intake manifold 125 .
- a first end 170 of the inlet chamber 167 may be coupled to a fluid supply that supplies fluid to the fluid end 100 .
- a second end 175 of the inlet chamber 167 may also be coupled to the fluid supply or may include a cap 190 (shown in FIG. 1B ) that seals off the second end 175 of the inlet chamber 167 .
- plunger bore nut threads 185 to which a cover nut (such as cover nut 405 shown in FIG. 4 ) may be coupled to each of the respective fluid end modules 105 A- 105 E.
- FIG. 2 is a cross-sectional view of the fluid end 100 along lines 2 - 2 of FIG. 1A
- FIG. 3 is a cross-sectional view of the fluid end 100 along lines 3 - 3 of FIG. 1A .
- a coupling section 200 of the intake manifold 125 corresponding to fluid end module 105 E is shown in FIGS. 2 and 3 , although all of the fluid end modules 105 A- 105 D may include the coupling section 200 .
- the coupling section 200 may include the reducer 145 as well as the connectors 150 and 155 .
- the reducer 145 may include a concentric housing 205 that extends between the connectors 150 and 155 .
- the concentric housing 205 includes a volume 210 that is at least partially filled with a damping material 215 .
- the portion of the volume 210 that is not filled with the damping material 215 (or alternatively stated an inner bore of the damping material 215 ) includes an inside diameter 220 that may be slightly less than an inside diameter 225 of an inlet bore 230 formed in the cylinder 110 .
- the inlet bore 230 intersects with the plunger bore 140 , which intersects with an outlet bore 235 formed in the cylinder 110 .
- a valve seat 240 may be disposed in the inlet bore 230 .
- An inside diameter 245 of the valve seat 240 may be less than the inside diameter 220 of the volume 210 .
- the inside diameter 245 of the valve seat 240 is about 3.25 inches and the inside diameter 220 of the volume 210 is about 4 inches.
- the reducer 145 includes a larger diameter end (first end) 300 and a smaller diameter end (second end) 305 .
- the reducer 145 may be an 8 inch to 4 inch reducer in one embodiment (the first end and the second end, respectively).
- the connectors 150 and 155 may be bolt-on clamps or couplings, such as couplings available from the VICTAULIC® Company of Easton, Pa., or other suitable coupling.
- the connector 150 may be an 8 inch coupling while the connector 155 may be a 4 inch coupling.
- the inlet chamber 167 may include a diameter 250 that is greater than both of the inside diameter 245 of the valve seat 240 and the inside diameter 220 of the volume 210 . In one embodiment, the diameter 250 of the inlet chamber 167 is about 6 inches.
- the damping material 215 may be a flexible material such as a polymeric material. As the pressure and/or volume of fluid fluctuates within the cylinder 110 during operation of the fluid end 100 , the damping material 215 may be configured to flex (e.g., expand and/or contract) in response to the fluid pressure and/or fluid volume changes. The damping material 215 may be configured to stabilize the velocity of fluid flowing through the cylinder 110 , as well as minimize propagation of acceleration induced pressure changes within the cylinder 110 and/or the intake manifold 125 . In one embodiment, the damping material 215 comprises a closed-cell foam having discrete gas pockets that are completely surrounded by solid foam material.
- FIG. 4 is a cross-sectional view of a fluid end module 400 showing the internal components thereof.
- the fluid end module 400 is similar to any of the fluid end modules 105 A- 105 E described above, the full operation of which will not be repeated herein for brevity.
- a plunger 403 is shown disposed in one end of the plunger bore 140 , and a cover nut 405 , as well as a seal gland 410 , is disposed in the other end of the plunger bore 140 .
- a valve assembly 415 having a biasing member, such as a spring 420 is shown disposed in the outlet bore 235 .
- a valve body 425 as well as a valve seat 430 may also be disposed in the outlet bore 235 .
- a quick connect/disconnect collar 435 that attaches to the threaded discharge bore 135 may also be coupled to the cylinder 110 .
- a valve assembly 440 is disposed in the inlet bore 230 .
- the valve assembly 440 includes a valve body 445 biased by a biasing member, such as a spring 450 , onto the valve seat 240 .
- Embodiments of the fluid end 100 having the intake manifold 125 as described herein reduces installation costs and time.
- the intake manifold 125 as described herein may be easily mounted onto a fluid end without welding, and may be easily disassembled without cutting and/or grinding.
- Utilization of the connectors 150 , 155 and 165 to couple the intake manifold 125 to the fluid end modules 105 A- 105 E provides modularity. Further, the connectors 150 , 155 , and 165 require no special tooling and may be stronger and cheaper than drilling/tapping holes in the cylinder 110 (for example, in a conventional flange-type mount with nut/bolts).
- Utilization of the damping material 215 smooths or redistributes pressure within the fluid end 100 which may result in increased operating life of the fluid end 100 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/140,772 US9816494B2 (en) | 2015-05-01 | 2016-04-28 | Fluid end with modular intake manifold |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562155558P | 2015-05-01 | 2015-05-01 | |
US15/140,772 US9816494B2 (en) | 2015-05-01 | 2016-04-28 | Fluid end with modular intake manifold |
Publications (2)
Publication Number | Publication Date |
---|---|
US20160319805A1 US20160319805A1 (en) | 2016-11-03 |
US9816494B2 true US9816494B2 (en) | 2017-11-14 |
Family
ID=55919908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/140,772 Expired - Fee Related US9816494B2 (en) | 2015-05-01 | 2016-04-28 | Fluid end with modular intake manifold |
Country Status (6)
Country | Link |
---|---|
US (1) | US9816494B2 (en) |
CN (1) | CN107580665A (en) |
CA (1) | CA2982828A1 (en) |
GB (1) | GB2554232A (en) |
MX (1) | MX2017013812A (en) |
WO (1) | WO2016178903A1 (en) |
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CN108644108A (en) * | 2018-07-02 | 2018-10-12 | 福州鑫洋机械制造有限公司 | A kind of modularization pump case |
FR3089262B1 (en) * | 2018-11-29 | 2021-07-30 | Akwel | Fluid distribution device |
USD938998S1 (en) * | 2019-01-24 | 2021-12-21 | Sirius Instrumentation And Controls Inc. | Stacking injection pump manifold |
DE102019205032B4 (en) * | 2019-04-08 | 2021-03-11 | Hawe Hydraulik Se | Hydraulic component with a component housing and a connection block |
US11578710B2 (en) | 2019-05-02 | 2023-02-14 | Kerr Machine Co. | Fracturing pump with in-line fluid end |
US11739748B2 (en) | 2019-05-14 | 2023-08-29 | Halliburton Energy Services, Inc. | Pump fluid end with easy access suction valve |
US11261863B2 (en) | 2019-05-14 | 2022-03-01 | Halliburton Energy Services, Inc. | Flexible manifold for reciprocating pump |
US20200362851A1 (en) * | 2019-05-14 | 2020-11-19 | Halliburton Energy Services, Inc. | Flexible Manifold for Reciprocating Pump |
US11560888B2 (en) | 2019-05-14 | 2023-01-24 | Halliburton Energy Services, Inc. | Easy change pump plunger |
US11231111B2 (en) | 2019-05-14 | 2022-01-25 | Halliburton Energy Services, Inc. | Pump valve seat with supplemental retention |
US11441687B2 (en) | 2019-05-14 | 2022-09-13 | Halliburton Energy Services, Inc. | Pump fluid end with positional indifference for maintenance |
US11965503B2 (en) | 2019-05-14 | 2024-04-23 | Halliburton Energy Services, Inc. | Flexible manifold for reciprocating pump |
US11105327B2 (en) | 2019-05-14 | 2021-08-31 | Halliburton Energy Services, Inc. | Valve assembly for a fluid end with limited access |
US11280326B2 (en) | 2019-06-10 | 2022-03-22 | Halliburton Energy Services, Inc. | Pump fluid end with suction valve closure assist |
US10989188B2 (en) | 2019-07-26 | 2021-04-27 | Halliburton Energy Services, Inc. | Oil field pumps with reduced maintenance |
US11530750B2 (en) | 2019-12-24 | 2022-12-20 | Halliburton Energy Services, Inc. | Horizontal balanced guided valve |
US11353117B1 (en) | 2020-01-17 | 2022-06-07 | Vulcan Industrial Holdings, LLC | Valve seat insert system and method |
US11073144B1 (en) | 2020-02-14 | 2021-07-27 | Halliburton Energy Services, Inc. | Pump valve assembly |
US11002120B1 (en) | 2020-02-28 | 2021-05-11 | Halliburton Energy Services, Inc. | Dynamic packing seal compression system for pumps |
US10947967B1 (en) | 2020-03-11 | 2021-03-16 | Halliburton Energy Services, Inc. | Discharge valve disabler and pressure pulse generator therefrom |
US11421680B1 (en) | 2020-06-30 | 2022-08-23 | Vulcan Industrial Holdings, LLC | Packing bore wear sleeve retainer system |
US11421679B1 (en) | 2020-06-30 | 2022-08-23 | Vulcan Industrial Holdings, LLC | Packing assembly with threaded sleeve for interaction with an installation tool |
CN112050018B (en) * | 2020-07-13 | 2022-01-25 | 宁波方太厨具有限公司 | Booster pump shock-absorbing structure and water purifier with same |
US11384756B1 (en) * | 2020-08-19 | 2022-07-12 | Vulcan Industrial Holdings, LLC | Composite valve seat system and method |
USD997992S1 (en) | 2020-08-21 | 2023-09-05 | Vulcan Industrial Holdings, LLC | Fluid end for a pumping system |
USD986928S1 (en) | 2020-08-21 | 2023-05-23 | Vulcan Industrial Holdings, LLC | Fluid end for a pumping system |
USD980876S1 (en) | 2020-08-21 | 2023-03-14 | Vulcan Industrial Holdings, LLC | Fluid end for a pumping system |
US11391374B1 (en) | 2021-01-14 | 2022-07-19 | Vulcan Industrial Holdings, LLC | Dual ring stuffing box |
US11486240B1 (en) * | 2021-06-23 | 2022-11-01 | LWF Services LLC | Manifold header for use at a wellsite |
US11434900B1 (en) | 2022-04-25 | 2022-09-06 | Vulcan Industrial Holdings, LLC | Spring controlling valve |
US11920684B1 (en) | 2022-05-17 | 2024-03-05 | Vulcan Industrial Holdings, LLC | Mechanically or hybrid mounted valve seat |
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2016
- 2016-04-28 CN CN201680025267.3A patent/CN107580665A/en active Pending
- 2016-04-28 WO PCT/US2016/029802 patent/WO2016178903A1/en active Application Filing
- 2016-04-28 GB GB1716989.7A patent/GB2554232A/en not_active Withdrawn
- 2016-04-28 US US15/140,772 patent/US9816494B2/en not_active Expired - Fee Related
- 2016-04-28 CA CA2982828A patent/CA2982828A1/en not_active Abandoned
- 2016-04-28 MX MX2017013812A patent/MX2017013812A/en unknown
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Also Published As
Publication number | Publication date |
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GB2554232A (en) | 2018-03-28 |
MX2017013812A (en) | 2018-03-15 |
CA2982828A1 (en) | 2016-11-10 |
US20160319805A1 (en) | 2016-11-03 |
GB201716989D0 (en) | 2017-11-29 |
CN107580665A (en) | 2018-01-12 |
WO2016178903A1 (en) | 2016-11-10 |
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